Freeze resistant die-attach compositions
US5489641A · kind A · utility
43Cited by
19References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 1993 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Feb 26, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In accordance with the present invention, there is provided a novel composition for attaching a semiconductor device to a substrate. The invention composition comprises liquid monomer vehicle comprising at least two monomers wherein at least one monomer is a polycyanate ester monomer, electrically conductive filler, and a curing catalyst. Compositions of the invention remain homogeneous at room temperature for at least eight hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.